Standard screw set: The screw set for replacement screws is very complete, with different diameters and lengths, and the different screws are neatly placed in , which is very convenient to use. High-quality processing: The screws are made of alloy steel, which is a very strong and durable material, easy to tighten and not easy to slide. The package contains the most commonly used sizes, M2, M2.5, and M3 in different sizes and quantities to meet your needs! These screws are well in a transparent plastic box without worrying about damage. Easy to carry and store, portable and neat box! Multifunctional application: very suitable for laptop repair or SSD installation, it is compatible with laptops. Model: M2, M2.5, M3 Due to different batches, the appearance, color and printed words of the product , which will not affect the use. Material: alloy steel colour: transparent Package Contents: 500 x Screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.